Microsoft today released firmware and performance improvements updates for Surface Pro and Surface RT devices. The most important update is the firmware update that enhances Surface RT speaker volume.

May 2013 updates released on May 14:

The May update includes these firmware and performance improvements: •UEFI firmware update that enhances Surface RT speaker volume and improves system stability. •Driver pack that improves performance and works with the updated UEFI firmware to enhance Surface RT speaker volume. •Trackpad Settings driver for Surface Type Cover to enable interaction with the Trackpad Settings app for Japanese customers.

May 2013 updates on released May 14:

The May update includes these firmware and performance improvements: •UEFI firmware update enables the PXE boot feature. This feature is only available when using the Surface Pro Ethernet Adapter due to the UEFI integration needed to implement PXE boot. •Trackpad Settings driver for Surface Type Cover to enable interaction with the Trackpad Settings app for Japanese customers. •Continued improvement in Wi-Fi connectivity and stability.